ECOFLOW EFWN511 PowerStream Microinverter Instruction Manual

: October 30, 2023
: ECOFLOW

Table of Contents

ECOFLOW EFWN511 PowerStream Microinverter
Product Usage Instructions:
Specifications:
Environment requirements
Explanation of symbols
Disclaimer:
Compliance:
References
Read User Manual Online (PDF format)
Download This Manual (PDF format)

ECOFLOW EFWN511 PowerStream Microinverter

Product Usage Instructions:

Before using the EcoFlow PowerStream Microinverter, please read the user manual carefully and follow all safety instructions.
Make sure that the input voltage and current of the PV port and BAT/DC port are within the specified range.
Connect the PV port to the solar panels and the BAT/DC port to the battery.
When discharging, make sure that the input voltage is within the specified range.
When charging, make sure that the charging voltage and current are within the specified range.
Connect the AC port to your electrical appliances to supply power.
Do not discard the EcoFlow PowerStream Microinverter as unsorted waste. Send it to separate collection facilities for recovery and recycling.

Specifications:

Model: EFWN511/EFWN511B
Dimension: Not specified
Weight: Approximately 3 kg

PV Port:

Operating voltage: 11 – 55 Vd.c.
Maximum input voltage: 55 Vd.c.
Maximum input current: 13 A
Initial input voltage: 15 Vd.c.
Anti-reverse connection protection: Supported
Overvoltage: Not specified
Max. PV short circuit current (Isc PV): 14 A
Max. inverter backfeed current to the array: 0 A

BAT/DC Port:

Discharging mode: Not specified
Discharging input voltage: 11 -15 Vd.c., 40 –
59 Vd.c.
Maximum input current: 13 A
Maximum input voltage: 59 Vd.c.
Charging mode: Not specified
Charging voltage: 30 – 58 Vd.c.
Maximum charging current: 13 A
Rated charging voltage: 48 Vd.c.
Overvoltage: Not specified
Battery input short circuit current rating: 20 A

AC Port:

Output voltage: 220/230/240 Va.c.
Output frequency: 50 Hz
Output power factor: Not specified
Maximum output current THDI: Not specified

Safety Instructions:

For detailed safety instructions, please refer to the user manual or scan the QR code provided.

General requirements

Please carefully read the documents before installing, operating or maintaining the equipment. The documents are subject to change due to product updates or other reasons.
Do not put heavy objects on the equipment.
Ensure that all cables and connectors are intact and dry before connecting to prevent electric shocks.
Use insulation tools or wear personal protective equipment when you install or operate the equipment.
Do not install or operate the equipment in extreme weather events such as lightning, snow, heavy rain, strong wind and so on.
Do not damage, smear or rip off any warning labels on the equipment.
Do not hit, pull, drag, squeeze or step on the equipment, or throw it into the fire, as there is risk of explosion.
After installing, please clean the remains of the installation, such as boxes, clipped cable ties, ripped insulation materials, etc.
Do not modify or repair the equipment, please contact our customer service or qualified personnel if necessary.
Use tools and equipment correctly to prevent personal injuries and product damage.
Understand the components and function of the grid-tied PV power system. Make sure that all electrical connections, and voltage and frequency at the connection point meet the local microinverter grid-tie requirements and electrical standards.
Make sure the screws are tightened to the specified torque during installation (M512: 30 Kgfcm; ST512: 45 Kgfcm; M620: 90 Kgfcm).
Make sure that the ground wire is tightly connected. The line diameter of ground wire should be ≥ 4 mm².
It is strongly recommended to install an overcurrent circuit breaker between the equipment and the grid.
The enclosure of the equipment may get more than 70 °C (158 °F) while in use. Do not touch it before it cools down. Also, always keep the equipment out of reach of children and pets.
The installation location should be convenient for you to put out the connectors.
Before you pull out the AC (or battery) connector from the microinverter, disconnect the cable from the AC socket (or battery’s) end.
All operations including installation and maintenance, should be carried out by qualified personnel. This device is not intended for persons with reduced physical, sensory or mental capabilities or lack of experience and knowledge or people unfamiliar with these instructions.
Personnel who plan to install or operate the product should receive training about electricity, understand all necessary safety precautions, and be able to perform all installations and operations correctly following local regulations.
It is strongly recommended that you ask a professional or a well-trained electrician to check or adapt the installation. Only qualified personnel can replace the product or its components (including software).

Environment requirements

Make sure the equipment is installed, operated or stored in a well-ventilated place.
Do not install or operate the equipment near flammable, explosive, corrosive, caustic or moist sources.
Do not expose the equipment to strong electromagnetic fields to avoid radio interference.

Explanation of symbols

Danger Do not damage, smear or cover any warning lables on the equipment. All labels must be visible after installation. ECOFLOW EFWN511 PowerStream
Microinverter fig-1

Disclaimer:

EcoFlow reserves the right to interpret this document and all related documents.
This document is subject to changes without prior notice.
Please visit EcoFlow’s official website for the latest product information.

Compliance:

EcoFlow PowerStream Microinverter complies with Directive 2014/53/EU and Radio Equipment Regulations 2017.
The full text of the EU Declaration of Conformity is available at the following internet addresses:
http://www.ecoflow.com/eu/eu-compliance
http://www.ecoflow.com/de/eu-compliance
http://www.ecoflow.com/fr/eu-compliance
The full text of the UKCA Declaration of Conformity is available at http://www.ecoflow.com/uk/eu-compliance